When the object now known as 1I/ʻOumuamua streaked through the inner Solar System in 2017, it instantly rewrote the playbook ...

The Hubble Space Telescope's newest images of 3I/ATLAS confirm the presence of its sunward anti-tail, contrary to the usual ...

Tune in today (Jan. 16) to bid farewell to interstellar comet 3I/ATLAS, courtesy of a livestream from the Virtual Telescope ...

Bodies have passed through our solar system three times in recent years. The most recent, comet 3I/ATLAS, which is now moving ...

Harvard expert Avi Loeb claims the 3I/ATLAS comet's path is 'suspiciously' precise, sparking alien theories. NASA reveals the ...

Bad news for those hoping interstellar invader 3I/ATLAS is an alien spacecraft as technosignature search turns up empty.

Astronomers have discovered 3I/ATLAS, a fast-moving interstellar object detected in mid-2025. Researchers believe this ancient comet, potentially 8-14 billion years old, originated from the Milky ...

A new image of the interstellar object 3I/ATLAS released by NASA has raised questions among astronomers and could change ...

The comet, discovered in July 2025, originated far beyond our Solar System and is thought to be around 7 billion years old - ...

In a new study done with data compiled from the SPHEREx observatory, researchers found “increased post-perihelion activity” ...

Aug. 11—Famous for finding gold-filled shipwrecks and sunken submarines, a Spokane firm's latest discovery may have come from the cosmos. Williamson & Associates, a deep-sea engineering firm based in ...

It feels like every week now we're writing a new article about how 3I/ATLAS is not an alien technology. But it's worth reiterating, and perhaps taking a look at the methodology we used to prove that ...